World Resorts USA Maui Weather

Maui sea water temperature

Current sea water temperature:
+76.8°F
Minimum sea water temperature in May: 78.8°F
Maximum sea water temperature in May: 74.5°F
Average sea water temperature in May: 76.8°F

Sea water temperature for the last 10 days:

May 16 76.8°F May 11 77.2°F
May 15 76.8°F May 10 77.4°F
May 14 76.8°F May 9 77.4°F
May 13 77.2°F May 8 77.4°F
May 12 77.2°F May 7 77.2°F

When is the warmest sea in Maui?

Based on the data about daily sea water temperature for the last three years the warmest sea in Maui was noticed in September, October and August.

Monthly Sea Temperatures in Maui, °F

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 79.9°F. The highest and lowest sea temperatures during the month were 80.2°F and 79.5°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 80.8°F and 79.2°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 79.5°F. The highest and lowest sea temperatures during the month were 79.9°F and 79.0°F.

Best time for vacation in Maui

Sunniest months:
January 14 days
July 14 days
August 14 days
Warmest months:
August 78.7 °F
September 78.7 °F
July 78.1 °F
Warmest sea temp:
September 80.0 °F
October 79.9 °F
August 79.4 °F
Coldest months:
February 71.8 °F
March 72.1 °F
January 72.3 °F
Rainiest months:
October 4 days
April 4 days
February 4 days
Windiest months:
July 13.9 mph
June 13.7 mph
August 12.9 mph

Maui on a weather map

Maui
+75°F
W 11 mph
Feels like: +79°F
Precip.: 83%
Places in USA:
Name
°F
+77°F
+79°F
+79°F
+97°F
+72°F
+84°F
+84°F
+75°F
+81°F
+64°F
+72°F
+84°F
+88°F
+82°F
+59°F
24 Hours Forecast
Maui
Local time: 12:34
May 16, saturday
1500
75°F
W
9 mph
1800
72°F
W
6 mph
2100
72°F
W
11 mph
May 17, sunday
0000
72°F
W
9 mph
0300
70°F
W
7 mph
0600
70°F
W
9 mph
0900
73°F
W
8 mph
1200
75°F
W
10 mph
Units of measurement: °C / °F